//
//  WBVisitorView.swift
//  MyXinLangWeiBo
//
//  Created by 迟浩伦 on 2016/12/24.
//  Copyright © 2016年 迟浩伦. All rights reserved.
//

import UIKit
//访客视图
class WBVisitorView: UIView {
    
    
    //注册按钮
    lazy var registerButton: UIButton = UIButton.cz_textButton(
        "注册",
        fontSize: 16,
        normalColor: UIColor.orange,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable")
    //登录按钮
    lazy var loginButton: UIButton = UIButton.cz_textButton(
        "登录",
        fontSize: 16,
        normalColor: UIColor.darkGray,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable")

    
    
    //访客视图信息字典[imageName/message]
    //如果是首页 imageName == ""
    var visitorInfo: [String: String]?{
        didSet{
        
            //取字典信息
            guard let imageName = visitorInfo?["imageName"],
                let message = visitorInfo?["message"] else{
                    return
            }
            //设置消息
            tipLabel.text = message
            
            //设置图像 首页不需要设置
            if imageName == ""{
                startAnimation()
                return
            }
            iconView.image = UIImage(named: imageName)
           //其他访客视图不用小房子和遮罩
            houseIconView.isHidden = true
            maskIconView.isHidden = true
        }
    }
    
    //MARK: - 构造函数
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //旋转动画(首页需要)
    func startAnimation(){
    let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        //动画完成不删除 
        anim.isRemovedOnCompletion = false
        
        //将动画添加到图层
        iconView.layer.add(anim, forKey: nil)
    }

    
    
    //懒加载属性只有调用 UIKit 控件的指定构造函数，其他都需要使用类型
    //私有控件
    //图像视图
     lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    lazy var maskIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    //小房子
     lazy var houseIconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    //提示标签
     lazy var tipLabel: UILabel = UILabel.cz_label(
        withText: "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜",
        fontSize: 14,
        color: UIColor.darkGray)
    

}

extension WBVisitorView{

    func setupUI(){
    backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        
        //添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseIconView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        //文本居中
        tipLabel.textAlignment = .center
        
        // （纯代码）取消autoresizing  （xib）autolayout
        for v in subviews {
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        let margin: CGFloat = 20.0
        //自动布局
        //图像视图
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: self,
                                         attribute: .centerY,
                                         multiplier: 1.0,
                                         constant: -60))
        //小房子
        addConstraint(NSLayoutConstraint(item: houseIconView,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: houseIconView,
                                         attribute: .centerY,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerY,
                                         multiplier: 1.0,
                                         constant: 0))
        //提示标签
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        //指定label宽度
        addConstraint(NSLayoutConstraint(item: tipLabel,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))
        
        //注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .left,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .left,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        //注册按钮宽度
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))
        //登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .right,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .right,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLabel,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        //登录按钮宽度
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: registerButton,
                                         attribute: .width,
                                         multiplier: 1.0,
                                         constant: 0))
        //遮罩图像VFL
        //views是定义VFL中的控件名称和实际名称的映射关系
        let viewDict = ["maskIconView": maskIconView,
                        "registerButton": registerButton] as [String : Any]
        let metrics = ["spacing": -35]
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "H:|-0-[maskIconView]-0-|",
            options: [],
            metrics: nil,
            views: viewDict))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
            options: [],
            metrics: metrics,
            views: viewDict))
    }

}
